650    

NT2, 512
NTN, 526



OBJECT CLASS, 614

OC-n, 480

ODI, 274

Office Connect, 440

on-line, 89, 91

on-the-fly, 303

Open Shortest Path First

(OSPF), 362, 427
Open System Interconnection

(OSI), 66

Optical Bypass Switch, 235
optical fiber, 110
Optivity, 589, 595
Organizationally Unique Identifier

(OUI), 203
OSI, 82

OSI Management Framework, 608
OSPF, 357,392,403,406,419, 425,

427, 441-443
OUI, 203, 205



^ .\

PACKAGE, 614

packet, 72

packet switching, 164

packet type, 434

Padding, 386

PAP, 493

Parallel Tasking, 274

Path Delay Value (PDV), 197

PCI, 238

PDU, 189

PDV, 197, 217, 219

Peak Cell Rate (PCR), 555

Performance Management, 585, 587

PHY, 241, 242

Physical Media Dependent

(PMD), 236
Pipeline, 440
Plaintree, 441

Plesiochronic Digital Hierarchy

(PDH), 476
Plug-and-Play, 273
PNNI, 522

Point-to-Point Protocol (PPP), 492
PortSwitch Hub, 281
POTS, 501
PowerSUM, 123
PPP, 70, 363, 444, 492
, 444
preamble, 194
Precedence, 385

Primay Rate Interface (PRI), 510
problem management, 585
promiscuous mode, 621
protocol analyzer, 620
Protocol Data Unit (PDU), 189
PSTN, 501
Pulse Amplitude Modulation

(), 144

Pulse Code Modulation (PCM), 476
PVC, 532, 534
PVV, 219



Q.2931, 553

Q..921, 515

Q.922, 533

Q.931, 515, 533

Q.933, 533

QAM, 135

Quad, 257

Quadrature Amplitude Modulation

(QAM), 135
Quality of Service (QoS), 98

R

RAD Data Communications, 586

RADView, 586

Random Early Detection (RED), 360

RDN, 613

receiver, 207

RED, 360

Redirect, 391